package chapter03.Example05;
 class Student{
     public Student(){
             System.out.println("调用了无参结构方法");
         };
     }
public class Example05 {
    public static void main(String[] args) {
        System.out.println("声明对象...");
        Student stu = null;
        System.out.println("实列化对象...");
        stu = new Student();
    }
}
